Annotation of loncom/interface/lonannounce.pm, revision 1.17
1.1 www 1: # The LearningOnline Network
1.2 www 2: # Announce
1.1 www 3: #
1.17 ! www 4: # $Id: lonannounce.pm,v 1.16 2003/07/10 10:27:04 www Exp $
1.1 www 5: #
1.3 www 6: # Copyright Michigan State University Board of Trustees
1.1 www 7: #
1.3 www 8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
1.1 www 9: #
1.3 www 10: # LON-CAPA is free software; you can redistribute it and/or modify
11: # it under the terms of the GNU General Public License as published by
12: # the Free Software Foundation; either version 2 of the License, or
13: # (at your option) any later version.
1.1 www 14: #
1.3 www 15: # LON-CAPA is distributed in the hope that it will be useful,
16: # but WITHOUT ANY WARRANTY; without even the implied warranty of
17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18: # GNU General Public License for more details.
19: #
20: # You should have received a copy of the GNU General Public License
21: # along with LON-CAPA; if not, write to the Free Software
22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23: #
24: # /home/httpd/html/adm/gpl.txt
25: #
26: # http://www.lon-capa.org/
27: #
28:
1.2 www 29: package Apache::lonannounce;
1.1 www 30:
31: use strict;
32: use Apache::Constants qw(:common);
1.3 www 33: use Apache::loncommon;
1.8 matthew 34: use Apache::lonhtmlcommon();
1.15 www 35: use HTML::Entities();
1.3 www 36:
1.12 www 37: my %todayhash;
1.16 www 38: my %showedcheck;
1.12 www 39:
1.10 www 40: sub editfield {
41: my ($r,$start,$end,$text)=@_;
42: # Deal with date forms
43: my $startdateform = &Apache::lonhtmlcommon::date_setter('anno',
44: 'startdate',
45: $start);
46: my $enddateform = &Apache::lonhtmlcommon::date_setter('anno',
47: 'enddate',
48: $end);
49:
50: $r->print(<<ENDFORM);
51: <form name="anno" method="post">
52: <input type="hidden" value='' name="action" >
53: <table><tr><td>Starting date:</td><td>$startdateform</td></tr>
54: <tr><td>Ending date:</td><td>$enddateform</td></tr></table>
55: <textarea name="msg" rows="4" cols="60">$text</textarea>
56: <input type="button" onClick="trysubmit()" value="Post Announcement"><hr>
57: ENDFORM
58: }
59:
1.3 www 60: sub readcalendar {
61: my $courseid=shift;
62: my $coursenum=$ENV{'course.'.$courseid.'.num'};
63: my $coursedom=$ENV{'course.'.$courseid.'.domain'};
64: my %thiscal=&Apache::lonnet::dump('calendar',$coursedom,$coursenum);
65: my %returnhash=();
66: foreach (keys %thiscal) {
67: unless (($_=~/^error\:/) || ($thiscal{$_}=~/^error\:/)) {
68: $returnhash{$courseid.'@'.$_}=$thiscal{$_};
69: }
70: }
71: return %returnhash;
72: }
73:
74: sub emptycell {
75: return '<td bgcolor="#AAAAAA"> </td>';
76: }
77:
78: sub normalcell {
1.12 www 79: my ($day,$month,$year,$text)=@_;
1.4 www 80: my $output='';
81: foreach (split(/\_\_\_\&\&\&\_\_\_/,$text)) {
82: if ($_) {
1.5 www 83: my ($courseid,$start,$end,@msg)=split(/\@/,$_);
84: my $msg=join('@',@msg);
1.11 www 85: my $fullmsg=$ENV{'course.'.$courseid.'.description'}.
86: ', '.localtime($start).' - '.localtime($end).': '.$msg;
1.5 www 87: if ($courseid eq $ENV{'request.course.id'}) {
1.16 www 88: if ((&Apache::lonnet::allowed('srm',$ENV{'request.course.id'}))
89: && (!$showedcheck{$start.'_'.$end})) {
1.5 www 90: $output.='<input type="checkbox" name="remove_'.$start.'_'.
91: $end.'">';
1.16 www 92: $showedcheck{$start.'_'.$end}=1;
1.5 www 93: }
94: }
1.15 www 95: $fullmsg=&HTML::Entities::encode($fullmsg,'<>&"\'');
96: $fullmsg=~s/&/\\&/g;
1.5 www 97: $output.='<a href="javascript:alert('."'$fullmsg'".')">'.
1.11 www 98: substr($msg,0,20).'...</a><br />';
1.4 www 99: }
100: }
1.12 www 101: return '<td'.
102: ((($day eq $todayhash{'day'}) &&
103: ($month eq $todayhash{'month'}) &&
104: ($year eq $todayhash{'year'}))?' bgcolor="#FFFF00"':'').
105: '><b>'.$day.'</b><br>'.$output.'</td>';
1.3 www 106: }
107:
1.11 www 108: sub plaincell {
109: my ($text)=@_;
110: my $output='';
111: foreach (split(/\_\_\_\&\&\&\_\_\_/,$text)) {
112: if ($_) {
113: my ($courseid,$start,$end,@msg)=split(/\@/,$_);
114: my $msg=join('@',@msg);
115: my $fullmsg=$ENV{'course.'.$courseid.'.description'}.
116: ', '.localtime($start).' - '.localtime($end).': '.$msg;
1.15 www 117: $fullmsg=&HTML::Entities::encode($fullmsg,'<>&"\'');
118: $fullmsg=~s/&/\\&/g;
1.11 www 119: $output.='<a href="javascript:alert('."'$fullmsg'".')">'.
120: substr($msg,0,40).'...</a><br />';
121: }
122: }
123: return $output;
124: }
125:
126: sub listcell {
127: my ($text)=@_;
128: my $output='';
129: foreach (split(/\_\_\_\&\&\&\_\_\_/,$text)) {
130: if ($_) {
131: my ($courseid,$start,$end,@msg)=split(/\@/,$_);
132: my $msg=join('@',@msg);
133: my $fullmsg=localtime($start).' to '.localtime($end).':<br /><b>'.
134: $msg.'</b>';
135: $output.='<li>'.$fullmsg.'</li>';
136: }
137: }
138: return $output;
139: }
140:
1.3 www 141: sub nextday {
142: my %th=@_;
143: $th{'day'}++;
144: return (&Apache::loncommon::maketime(%th),$th{'month'});
145: }
146:
147: sub showday {
1.11 www 148: my ($tk,$mode,%allcal)=@_;
1.3 www 149: my %th=&Apache::loncommon::timehash($tk);
150: my ($nextday,$nextmonth)=&nextday(%th);
151: my $outp='';
1.4 www 152: my $oneday=24*3600;
1.3 www 153: foreach (keys %allcal) {
154: my ($course,$startdate,$enddate)=($_=~/^(\w+)\@(\d+)\_(\d+)$/);
1.4 www 155: if (($startdate<$nextday) && ($enddate>$tk)) {
1.5 www 156: $outp.='___&&&___'.$course.'@'.$startdate.'@'.$enddate.'@'.
157: $allcal{$_};
1.3 www 158: }
159: }
1.11 www 160: unless ($mode) {
1.12 www 161: return ($nextday,$nextmonth,&normalcell(
162: $th{'day'},$th{'month'},$th{'year'},$outp));
1.11 www 163: } elsif ($outp) {
164: if ($mode==1) {
165: return '<br />'.&plaincell($outp);
166: } else {
167: return '<ul>'.&listcell($outp).'</ul>';
168: }
169: } else {
170: return '';
171: }
1.3 www 172: }
1.1 www 173:
174: sub handler {
175: my $r = shift;
176: $r->content_type('text/html');
177: $r->send_http_header;
178: return OK if $r->header_only;
179:
1.3 www 180: # ---------------------------------------------------------- Get time right now
181: my $today=time;
1.12 www 182: %todayhash=&Apache::loncommon::timehash($today);
1.16 www 183: # ----------------------------------------------------------------- Check marks
184: %showedcheck=();
185: undef %showedcheck;
1.3 www 186: # ---------------------------------------------------------- Get month and year
187: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
188: ['month','year']);
189: # --------------------------------------------------- Decide what month to show
190: my $year=$todayhash{'year'};
191: if ($ENV{'form.year'}) { $year=$ENV{'form.year'}; }
192: my $month=$todayhash{'month'};
193: if ($ENV{'form.month'}) { $month=$ENV{'form.month'}; }
194: # --------------------------------------------- Find out first day of the month
195:
196: my %firstday=&Apache::loncommon::timehash(
197: &Apache::loncommon::maketime( 'day' => 1, 'month'=> $month,
198: 'year' => $year, 'hours' => 0,
199: 'minutes' => 0, 'seconds' => 0,
200: 'dlsav' => $todayhash{'dlsav'} ));
201: my $weekday=$firstday{'weekday'};
202: # ------------------------------------------------------------ Print the screen
1.9 www 203:
1.1 www 204: $r->print(<<ENDDOCUMENT);
205: <html>
206: <head>
207: <title>The LearningOnline Network with CAPA</title>
1.3 www 208: <script>
209:
210: function trysubmit() {
211: document.anno.action.value="new";
212: document.anno.submit();
213: }
214:
215: function removesub() {
216: document.anno.action.value="del";
217: document.anno.submit();
218: }
219: </script>
1.1 www 220: </head>
221: ENDDOCUMENT
1.6 www 222: $r->print(&Apache::loncommon::bodytag("Announcements and Calendar"));
1.3 www 223: # does this user have privileges to post, etc?
224: my $allowed=0;
225: if ($ENV{'request.course.id'}) {
226: $allowed=&Apache::lonnet::allowed('srm',$ENV{'request.course.id'});
227: }
1.17 ! www 228: # does this user have privileges to post to servers?
! 229: my $serverpost=0;
! 230: if ($ENV{'request.role.domain'}) {
! 231: $serverpost=&Apache::lonnet::allowed('psa',
! 232: $ENV{'request.role.domain'});
! 233: } else {
! 234: $serverpost=&Apache::lonnet::allowed('psa','/');
! 235: }
! 236: # ------------------------------------------------------------ Process commands
! 237: if ($serverpost) {
! 238: if ($ENV{'form.serveraction'}) {
! 239: foreach (keys %ENV) {
! 240: if ($_=~/^form\.postto\_(\w+)/) {
! 241: $r->print(
! 242: '<br />Posting '.$1.': '.&Apache::lonnet::postannounce
! 243: ($1,$ENV{'form.serverannnounce'}));
! 244: }
! 245: }
! 246: }
! 247: $r->print(<<SERVERANNOUNCE);
! 248: <form name="serveranno" method="post">
! 249: <h3>Post Server Announcements</h3>
! 250: Post announcements to the system login and roles screen<br />
! 251: <i>(leave blank to delete announcement)</i><br />
! 252: <textarea name="serverannnounce" cols="60" rows="5"></textarea><br />
! 253: Check machines:<br />
! 254: SERVERANNOUNCE
! 255: # list servers
! 256: foreach (sort keys %Apache::lonnet::hostname) {
! 257: if (&Apache::lonnet::allowed('psa',$Apache::lonnet::hostdom{$_})) {
! 258: $r->print ('<br /><input type="checkbox" name="postto_'.$_.'" /> '.
! 259: $_.' <tt>'.$Apache::lonnet::hostname{$_}.'</tt> '.
! 260: '<a href="http://'.$Apache::lonnet::hostname{$_}.
! 261: '/announcement.txt" target="annowin">current</a>');
! 262: }
! 263: }
! 264: $r->print(
! 265: '<br /><input type="submit" name="serveraction" value="Post"></form><hr />');
! 266: }
1.3 www 267: if ($allowed) {
268: my $coursenum=$ENV{'course.'.$ENV{'request.course.id'}.'.num'};
269: my $coursedom=$ENV{'course.'.$ENV{'request.course.id'}.'.domain'};
270: # ----------------------------------------------------- Store new submitted one
271: if ($ENV{'form.action'} eq 'new') {
1.9 www 272: my $startdate =
273: &Apache::lonhtmlcommon::get_date_from_form('startdate');
274: my $enddate =
275: &Apache::lonhtmlcommon::get_date_from_form('enddate');
276: unless ($startdate=~/^\d+$/) { $startdate=time; }
277: unless ($enddate=~/^\d+$/) { $enddate=$startdate+1; }
278: if ($startdate>$enddate) {
279: my $buffer=$startdate;
280: $startdate=$enddate;
281: $enddate=$buffer;
282: }
1.3 www 283: &Apache::lonnet::put('calendar',{
1.9 www 284: $startdate.'_'.$enddate =>
1.3 www 285: $ENV{'form.msg'} },$coursedom,$coursenum);
286: }
287: # ---------------------------------------------------------------- Remove items
288: if ($ENV{'form.action'} eq 'del') {
289: my @delwhich=();
290: foreach (keys %ENV) {
291: if ($_=~/^form\.remove\_(.+)$/) {
292: push(@delwhich,$1);
293: }
294: }
295: &Apache::lonnet::del('calendar',\@delwhich,$coursedom,$coursenum);
296: }
297: # -------------------------------------------------------- Form to post new one
298: my %tomorrowhash=%todayhash;
299: $tomorrowhash{'day'}++;
300: my $tomorrow=&Apache::loncommon::maketime(%tomorrowhash);
301:
1.10 www 302: &editfield($r,$today,$tomorrow,'');
1.3 www 303: }
1.5 www 304: # ----------------------------------------------------- Summarize all calendars
305: my %allcal=();
306: foreach (&Apache::loncommon::findallcourses()) {
307: %allcal=(%allcal,&readcalendar($_));
308: }
309:
310: # ------------------------------- Initialize table and forward backward buttons
1.3 www 311: my ($pm,$py,$fm,$fy)=($month-1,$year,$month+1,$year);
312: if ($pm<1) { ($pm,$py)=(12,$year-1); }
313: if ($fm>12){ ($fm,$fy)=(1,$year+1); }
1.14 www 314:
1.3 www 315: $r->print('<h1>'.('','January','February','March','April','May',
316: 'June','July','August','September','October',
1.13 www 317: 'November','December')[$month].' '.$year.'</h1>');
318: # Reached the end of times, give up
319: if (($year<1970) || ($year>2037)) {
320: $r->print('<h3>No calendar available for this date.</h3>'.
321: '<a href="/adm/announcements?month='.$todayhash{'month'}.
322: '&year='.$todayhash{'year'}.'">Current Month</a></body></html>');
323: return OK;
324: }
325: $r->print(
1.3 www 326: '<a href="/adm/announcements?month='.$pm.'&year='.$py.'">Previous Month</a> '.
1.12 www 327: '<a href="/adm/announcements?month='.$fm.'&year='.$fy.'">Next Month</a>'.
328: ' <a href="/adm/announcements?month='.$todayhash{'month'}.
329: '&year='.$todayhash{'year'}.'">Current Month</a><p>'.
1.3 www 330: '<table border="2" cols="7" rows="5"><tr><th>Sun</th><th>Mon</th>'.
1.7 matthew 331: '<th>Tue</th><th>Wed</th><th>Thu</th><th>Fri</th><th>Sat</th></tr>');
1.3 www 332:
333: my $tk=&Apache::loncommon::maketime(%firstday);
334: my $outp;
335: my $nm;
336:
337: # ---------------------------------------------------------------- Actual table
338: $r->print('<tr>');
339: for (my $i=0;$i<$weekday;$i++) { $r->print(&emptycell); }
340: for (my $i=$weekday;$i<=6;$i++) {
1.11 www 341: ($tk,$nm,$outp)=&showday($tk,0,%allcal);
1.3 www 342: $r->print($outp);
343: }
344: $r->print('</tr>');
345:
346: for (my $k=0;$k<=3;$k++) {
347: $r->print('<tr>');
348: for (my $i=0;$i<=6;$i++) {
1.11 www 349: ($tk,$nm,$outp)=&showday($tk,0,%allcal);
1.3 www 350: if ($month!=$nm) { $outp=&emptycell; }
351: $r->print($outp);
352: }
353: $r->print('</tr>');
354: }
355: # ------------------------------------------------------------------- End table
1.7 matthew 356: $r->print('</table>');
1.16 www 357: # ----------------------------------------------------------------- Check marks
358: %showedcheck=();
359: undef %showedcheck;
360: # --------------------------------------------------------------- Remove button
1.9 www 361: if ($allowed) { $r->print('<input type="button" onClick="removesub()" value="Remove Checked Entries"></form>'); }
1.7 matthew 362: $r->print('<p>'.
1.3 www 363: '<a href="/adm/announcements?month='.$pm.'&year='.$py.'">Previous Month</a> '.
1.12 www 364: '<a href="/adm/announcements?month='.$fm.'&year='.$fy.'">Next Month</a>'.
365: ' <a href="/adm/announcements?month='.$todayhash{'month'}.
366: '&year='.$todayhash{'year'}.'">Current Month</a></p>'.
1.3 www 367: '</body></html>');
1.1 www 368: return OK;
369: }
370:
371: 1;
372: __END__
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